Parcel Math
Calculate common parcel measurements and conversions.
Open Parcel Math →Practical guides
Methods, examples, sources, and limits.
GuideHow to Calculate Package Length Plus GirthCalculate package girth and length plus girth from three outside dimensions, with a worked metric example and clear carrier-rule limits.GuideHow to Calculate an SSCC Check DigitFollow the GS1 Mod-10 weighting method for a 17-digit SSCC body and verify the resulting 18-digit number.GuideInternational Address Format: Four Country LayoutsCompare frozen blank address-line layouts for the United States, Canada, Australia, and the United Kingdom without claiming address validation.
Choose a tool
Each opens on its dedicated Meepotu site.
Cargo Cube
Estimate cargo volume from package dimensions and quantities.
Open Cargo Cube →Length + Girth
Calculate length plus girth for a parcel.
Open Length + Girth →Carrier Size Preflight
Compare parcel dimensions with size-trigger checks.
Open Carrier Size Preflight →SSCC Check Digit
Calculate or verify an SSCC check digit.
Open SSCC Check Digit →UPU S10 Validator
Inspect the structure and check digit of an S10 identifier.
Open UPU S10 Validator →Handling Scan Deadline
Work out a handling scan deadline from a cutoff.
Open Handling Scan Deadline →Reverse Order Cutoff
Work backward from a delivery deadline to an order cutoff.
Open Reverse Order Cutoff →Address Layout Template
Arrange address fields in a practical mailing layout.
Open Address Layout Template →Postcode Structure
Inspect a postcode against a selected structural pattern.
Open Postcode Structure →